{"id":34364,"date":"2025-05-04T02:58:00","date_gmt":"2025-05-04T02:58:00","guid":{"rendered":""},"modified":"2025-09-08T04:18:58","modified_gmt":"2025-09-08T10:18:58","slug":"cve-2015-2079-remote-code-execution-vulnerability-in-usermin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2015-2079-remote-code-execution-vulnerability-in-usermin\/","title":{"rendered":"<strong>CVE-2015-2079: Remote Code Execution Vulnerability in Usermin<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures system, commonly referred to as CVE, has identified a significant security flaw within versions 0.980 through to 1.x before 1.660 of Usermin. This vulnerability, designated CVE-2015-2079, is a key concern for system administrators and cybersecurity professionals. Its criticality stems from the fact that successful exploitation could lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28034-remote-command-execution-vulnerability-in-totolink-wireless-routers\/\"  data-wpil-monitor-id=\"39456\">remote code execution<\/a>, potentially compromising system security or resulting in data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2015-2079<br \/>\nSeverity: Critical (9.9 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28039-pre-auth-remote-command-execution-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"39505\">Remote code execution<\/a>, potential system compromise, and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2413583638\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Usermin | 0.980 through 1.x before 1.660<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49661-untrusted-pointer-dereference-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"80415\">vulnerability exists within the uconfig_save.cgi functionality<\/a> of Usermin. Specifically, it arises as Usermin incorrectly uses the two-argument form of Perl&#8217;s open function in the sig_file_free parameter. As a result, it does not properly neutralize special elements, leading to a potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32838-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"38862\">injection vulnerability<\/a>. An attacker can exploit this by crafting a special payload, which, when processed, can lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28038-critical-pre-auth-remote-command-execution-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"39655\">remote code execution<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-747716022\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Below is a<br \/>\n<strong>conceptual<\/strong><br \/>\n example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47154-exploitation-of-use-after-free-vulnerability-in-libjs-in-ladybird\/\"  data-wpil-monitor-id=\"45225\">vulnerability might be exploited<\/a>. This could be a sample HTTP request, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-11861-critical-command-injection-vulnerability-in-enersys-ampa-granting-privileged-remote-shell-access\/\"  data-wpil-monitor-id=\"45224\">shell command<\/a>, or pseudocode:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/uconfig_save.cgi HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nsig_file_free=|; malicious_command_here ;|<\/code><\/pre>\n<p>In the above example, &#8220;malicious_command_here&#8221; would be replaced with the actual <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28037-pre-auth-remote-command-execution-vulnerability-in-totolink-products\/\"  data-wpil-monitor-id=\"39826\">command an attacker wishes to execute<\/a> on the target system.<\/p>\n<p><strong>Mitigation and Conclusion<\/strong><\/p>\n<p>To mitigate this vulnerability, affected users should apply the vendor-supplied patch for Usermin immediately. If the patch cannot be applied at once, a web application firewall (WAF) or intrusion detection system (IDS) can be used as a temporary <a href=\"https:\/\/www.ameeba.com\/blog\/hungarian-government-s-cybersecurity-measures-unpacking-the-implications-and-potential-solutions\/\"  data-wpil-monitor-id=\"80416\">measure to help protect against potential<\/a> exploits. However, these are not long-term solutions and the patch should be applied as soon as feasible.<br \/>\nRemember, staying updated on the latest <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32837-critical-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"38863\">vulnerabilities and patches is a critical<\/a> aspect of maintaining a secure and robust cybersecurity posture. Stay safe and always keep your systems updated.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures system, commonly referred to as CVE, has identified a significant security flaw within versions 0.980 through to 1.x before 1.660 of Usermin. This vulnerability, designated CVE-2015-2079, is a key concern for system administrators and cybersecurity professionals. Its criticality stems from the fact that successful exploitation could lead to remote [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-34364","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=34364"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34364\/revisions"}],"predecessor-version":[{"id":72837,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34364\/revisions\/72837"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=34364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=34364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=34364"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=34364"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=34364"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=34364"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=34364"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=34364"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=34364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}